*{
	margin: 0;
	padding: 0;
}
html,body {
	width: 100%;
	height: 100%;
}
#content{
	width: 100%;
	height: 100%;
	background-color: aliceblue;
}
#left{
	width: 49%;
	height: 100%;
	position: absolute;
	left: 0;
	color: #ff0000;
	border-right: 3px solid gray;
	box-shadow: 0 0 10px gainsboro;
}
#right{
	width: 50%;
	height: 100%;
	position: absolute;
	right: 0;
}
#tishi{
	width: 400px;
	height: 180px;
	font-size: 40px;
	text-indent: 40px;
	line-height: 180px;
}
	
#timer{
	width: 400px;
	height: 200px;
	font-size: 130px;
	margin: 0 auto;
	line-height: 200px;
	text-align: center;
}
.timer2{
	width: 400px;
	height: 200px;
	font-size: 50px;
	margin: 0 auto;
	line-height: 200px;
	text-align: center;
}
#top{
	width: 100%;
	height: 100px;
	position: relative;
	font-size: 20px;
}
#top-l{
	position: absolute;
	left: 40px;
	top: 20px;
}
#top-r{
	position: absolute;
	right: 40px;
	top: 20px;
}
#logo{
	width: 95%;
	font-size:50px ;
	text-align: center;
	background-color: #fffae8;
	margin: 0 auto;
	border-radius: 8px;
}
#timu{
	width: 95%;
	font-size:80px ;
	text-align: center;
	margin: 0 auto;
	margin-top: 50px;
	font-family: "宋体";
}
#yes{
	position: absolute;
	left: 100px;
	bottom: 100px;
	display: inline-block;
	width: 100px;
	height: 100px;
	font-size: 40px;
	font-family: "黑体";
	border-radius: 50%;
	color: white;
	background-color: #00ff7f;
	border: 0 solid red;
	cursor: pointer;
}
#no{
	position: absolute;
	right: 100px;
	bottom: 100px;
	display: inline-block;
	width: 100px;
	height: 100px;
	font-size: 40px;
	font-family: "黑体";
	border-radius: 50%;
	color: #555555;
	background-color: #ff6f8e;
	border: 0 solid red;
	cursor: pointer;
}
#yes:hover {
	box-shadow: 0 0 10px #00ff7f;
}
#no:hover {
	box-shadow: 0 0 10px #ff6f8e;
}
#bot{
	width: 100%;
}
#start{
	position: absolute;
	bottom: 150px;
	left: 50%;
	margin-left: -30%;
	display: inline-block;
	width: 60%;
	height: 50px;
	font-size: 40px;
	color: white;
	background-color: orangered;
	border: 0 solid red;
	border-radius: 8px;
	cursor: pointer;
}
#start:hover {
	box-shadow: 0 0 10px orangered;
}